not sure what sanyo's i have there so old they dont say anymore but there yellow and i had to buy them from lhs and they were only sold as single battiers but i have used them for almost ten years so i could be happyer with them for what i paid for them i bought energizer 2500mah for my new truck about year ago and they already died they wont hold a charge and watch out for the size of the battery i found out that the hard way there not all the same size just beacuse it says AA doesn't mean there going to fit in the remote my wife bought me some radioshack batt's beacuse the store was closing down and they wont fit in any remote i have there just a hair bigger